Question 1187840: The results of the latest writing of the LSAT (Law School Aptitude Test) showed results that were normally distributed with a mean score of 824 and a standard deviation of 100.
(a) What percent of students scored between 758 and 929?
(b) What percent of students got 959 or more on the test?
(c) The Osgoode Hall Law School wants candidates for admission to be in the top 16 of LSAT test scores. What is the minimum test score a candidate needs to achieve to be considered for admission to this school?
(d) If a group of 45 applicants is randomly selected, what is the probability that the group average is not less than 844?
Answer by ikleyn(52879)   (Show Source):
You can put this solution on YOUR website! .
In this response, I will answer questions (a) and (b), ONLY.
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Go to online (free of charge) normal distribution probability calculator
https://onlinestatbook.com/2/calculators/normal_dist.html
Input the given parameters of each part into the appropriate window of the calculator and get the answers
to your questions.
The calculator has perfect description and design, so EVERY person, even beginner, may work with it on his or her own,
even having minimum knowledge on the subject.
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Or, alternatively, you may use your GRAPHING CALCULATOR.
See THIS Internet source / site
https://mathbits.com/MathBits/TISection/Statistics2/normaldistribution.htm
Find there EVERYTHING you need to know in clear and compact form
to solve this problem (and thousand other) similar and different problems ON YOUR OWN.
Happy calculations ( ! )
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Your questions (c) and (d) are TWO OTHER separate problems.
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